--- zzzz-none-000/linux-4.4.60/include/linux/mmc/host.h	2017-04-08 07:53:53.000000000 +0000
+++ wasp-540e-714/linux-4.4.60/include/linux/mmc/host.h	2019-07-03 09:21:34.000000000 +0000
@@ -289,6 +289,7 @@
 #define MMC_CAP2_HSX00_1_2V	(MMC_CAP2_HS200_1_2V_SDR | MMC_CAP2_HS400_1_2V)
 #define MMC_CAP2_SDIO_IRQ_NOTHREAD (1 << 17)
 #define MMC_CAP2_NO_WRITE_PROTECT (1 << 18)	/* No physical write protect pin, assume that card is always read-write */
+#define MMC_CAP2_HS400_POST_TUNING (1 << 19)
 
 	mmc_pm_flag_t		pm_caps;	/* supported pm features */